... type, heat sink type, low temperature type, sylphon sealed type, jacket insulated type, etc. Product nominal pressure (PN): 1.6, 4.0, 6.4 (MPA) Valve ... reduced by 30%.ZXMV type of sylphon sealed valve forms complete encapsulation from the moving valve handle, which can prevent ... the fluid from leaking out.ZXMJ type of regulating valve is equipped with a thermal insulation jacket, which ...